Publication detail

A fractographic study of bending/torsion fatigue failure in metallic materials with protective surface layers

SLÁMEČKA, K. ŠESTÁK, P. VOJTEK, T. KIANICOVÁ, M. HORNÍKOVÁ, J. ŠANDERA, P. POKLUDA, J.

Original Title

A fractographic study of bending/torsion fatigue failure in metallic materials with protective surface layers

English Title

A fractographic study of bending/torsion fatigue failure in metallic materials with protective surface layers

Type

journal article

Language

en

Original Abstract

Results are given of a fractographic study of biaxial in-phase bending/torsion fatigue fractures in specimens made of nitrided steel and nickel-based superalloy with protective coatings (diffusion coatings and plasma-sprayed thermal barrier coatings). Fracture surfaces were examined by optical and scanning electron microscopes while stereophotogrammetry and optical profilometry were employed to obtain 3D surface data of selected fracture surface regions. The studied materials exhibited a wide range of fracture mechanisms depending on the microstructure and applied mechanical loading.

English abstract

Results are given of a fractographic study of biaxial in-phase bending/torsion fatigue fractures in specimens made of nitrided steel and nickel-based superalloy with protective coatings (diffusion coatings and plasma-sprayed thermal barrier coatings). Fracture surfaces were examined by optical and scanning electron microscopes while stereophotogrammetry and optical profilometry were employed to obtain 3D surface data of selected fracture surface regions. The studied materials exhibited a wide range of fracture mechanisms depending on the microstructure and applied mechanical loading.

Keywords

Fractography; Biaxial fatigue; Nitriding; Diffusion coatings; Thermal barrier coatings

Released

10.06.2016

Pages from

8952657-1

Pages to

8952657-7

Pages count

7

URL